68007678 has 16 divisors (see below), whose sum is σ = 136106256. Its totient is φ = 22654080.

The previous prime is 68007677. The next prime is 68007679. The reversal of 68007678 is 87670086.

It is an interprime number because it is at equal distance from previous prime (68007677) and next prime (68007679).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68007677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9558 + ... + 15078.

It is an arithmetic number, because the mean of its divisors is an integer number (8506641).

Almost surely, 2^68007678 is an apocalyptic number.

68007678 is an abundant number, since it is smaller than the sum of its proper divisors (68098578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68007678 is a wasteful number, since it uses less digits than its factorization.

68007678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7579.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 68007678 is about 8246.6767852269. The cubic root of 68007678 is about 408.1808718429.

The spelling of 68007678 in words is "sixty-eight million, seven thousand, six hundred seventy-eight".